731245542137 has 8 divisors (see below), whose sum is σ = 797735039520. Its totient is φ = 664758149760.

The previous prime is 731245542127. The next prime is 731245542151.

It is a happy number.

731245542137 is nontrivially palindromic in base 10.

731245542137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 731245542137 - 2⁴ = 731245542121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (731245542127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249878 + ... + 1234880.

It is an arithmetic number, because the mean of its divisors is an integer number (99716879940).

Almost surely, 2^731245542137 is an apocalyptic number.

It is an amenable number.

731245542137 is a deficient number, since it is larger than the sum of its proper divisors (66489497383).

731245542137 is a wasteful number, since it uses less digits than its factorization.

731245542137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052503.

The product of its digits is 705600, while the sum is 44.

The spelling of 731245542137 in words is "seven hundred thirty-one billion, two hundred forty-five million, five hundred forty-two thousand, one hundred thirty-seven".